112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
/*
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* Copyright (C) 2006-2019 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "Frame.h"
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#include "HTMLElement.h"
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#include "ReferrerPolicy.h"
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#include <wtf/HashCountedSet.h>
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#include <wtf/NeverDestroyed.h>
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namespace WebCore {
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class RenderWidget;
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class HTMLFrameOwnerElement : public HTMLElement {
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WTF_MAKE_ISO_ALLOCATED(HTMLFrameOwnerElement);
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public:
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virtual ~HTMLFrameOwnerElement();
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Frame* contentFrame() const { return m_contentFrame.get(); }
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WEBCORE_EXPORT WindowProxy* contentWindow() const;
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WEBCORE_EXPORT Document* contentDocument() const;
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void setContentFrame(Frame&);
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void clearContentFrame();
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void disconnectContentFrame();
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// Most subclasses use RenderWidget (either RenderEmbeddedObject or RenderIFrame)
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// except for HTMLObjectElement and HTMLEmbedElement which may return any
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// RenderElement when using fallback content.
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RenderWidget* renderWidget() const;
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ExceptionOr<Document&> getSVGDocument() const;
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virtual ScrollbarMode scrollingMode() const { return ScrollbarAuto; }
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SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
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void scheduleInvalidateStyleAndLayerComposition();
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virtual bool canLoadScriptURL(const URL&) const = 0;
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virtual ReferrerPolicy referrerPolicy() const { return ReferrerPolicy::EmptyString; }
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virtual bool shouldLoadFrameLazily() { return false; }
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virtual bool isLazyLoadObserverActive() const { return false; }
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protected:
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HTMLFrameOwnerElement(const QualifiedName& tagName, Document&);
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void setSandboxFlags(SandboxFlags);
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bool isProhibitedSelfReference(const URL&) const;
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private:
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bool isKeyboardFocusable(KeyboardEvent*) const override;
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bool isFrameOwnerElement() const final { return true; }
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WeakPtr<Frame> m_contentFrame;
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SandboxFlags m_sandboxFlags { SandboxNone };
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};
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class SubframeLoadingDisabler {
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public:
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explicit SubframeLoadingDisabler(ContainerNode* root)
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: m_root(root)
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{
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if (m_root)
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disabledSubtreeRoots().add(m_root);
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}
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~SubframeLoadingDisabler()
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{
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if (m_root)
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disabledSubtreeRoots().remove(m_root);
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}
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static bool canLoadFrame(HTMLFrameOwnerElement&);
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private:
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static HashCountedSet<ContainerNode*>& disabledSubtreeRoots()
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{
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static NeverDestroyed<HashCountedSet<ContainerNode*>> nodes;
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return nodes;
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}
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ContainerNode* m_root;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLFrameOwnerElement)
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static bool isType(const WebCore::Node& node) { return node.isFrameOwnerElement(); }
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SPECIALIZE_TYPE_TRAITS_END()
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